HP Armada 4200 Armada 4100 and 4200 Families of Personal Computers Maintenance - Page 26

Design Overview - Computer, System Unit, System Board

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1.8 Design Overview - Computer This section presents a design overview of the 4100 and 4200 Families. The overview is limited to field replaceable parts. All replacement parts are listed in Chapter 3. Removal and replacement procedures are presented in Chapter 5. The computer is a traditional clamshell design with a display unit attached to a system unit. The computer opens to reveal a backlighted LCD display and a full-sized keyboard. The display is designed for a continuously adjustable tilt angle. The system unit houses the keyboard, I/O ports, operator controls and indicators, and DualBay devices. 1.8.1 System Unit The system unit contains the following field-replaceable parts: s System board s Processor board s Display assembly s CPU/keyboard cover s Internal microphone s Optional memory expansion boards s Lithium Real Time clock battery s Hard drive s Diskette drive s Handle s Pointing device s CPU base cover s PCMCIA assembly 1.8.2 System Board The Compaq Armada system electronics are integrated on two printed circuit assemblies; the system board and the processor board. The 4100 system boards are not compatible with the 4200 Family system boards. Similarly, the 4200 system boards are not compatible with the 4100 Family. 1-18 Product Description

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1-18
Product Description
1.8
Design Overview - Computer
This section presents a design overview of the 4100 and 4200 Families. The overview
is limited to field replaceable parts. All replacement parts are listed in Chapter 3.
Removal and replacement procedures are presented in Chapter 5.
The computer is a traditional clamshell design with a display unit attached to a system
unit. The computer opens to reveal a backlighted LCD display and a full-sized
keyboard. The display is designed for a continuously adjustable tilt angle. The system
unit houses the keyboard, I/O ports, operator controls and indicators, and DualBay
devices.
1.8.1
System Unit
The system unit contains the following field-replaceable parts:
■
System board
■
Processor board
■
Display assembly
■
CPU/keyboard cover
■
Internal microphone
■
Optional memory expansion boards
■
Lithium Real Time clock battery
■
Hard drive
■
Diskette drive
■
Handle
■
Pointing device
■
CPU base cover
■
PCMCIA assembly
1.8.2
System Board
The Compaq Armada system electronics are integrated on two printed circuit
assemblies; the system board and the processor board. The 4100 system boards are not
compatible with the 4200 Family system boards. Similarly, the 4200 system boards are
not compatible with the 4100 Family.